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CVE-2024-27033: f2fs: fix to remove unnecessary f2fs_bug_on() to avoid panic

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-01 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to remove unnecessary f2fs_bug_on() to avoid panic verify_blkaddr() will trigger panic once we inject fault into f2fs_is_valid_blkaddr(), fix to remove this unnecessary f2fs_bug_on().

Affected products

• Linux kernel: from 6.2 before 6.6.23; from 6.7 before 6.7.11; from 6.8 before 6.8.2 — fixed in 6.6.23, 6.7.11, 6.8.2

How to fix

Upgrade to a fixed version: Linux kernel 6.6.23, 6.7.11, 6.8.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0386408036bfc8b50296d9e544ff91c4d52af2db
• https://git.kernel.org/stable/c/6633cdc8b2ebefcddcfcdacfd063105e60f39a49
• https://git.kernel.org/stable/c/abe98a05e7162f64759bf9111108ebcb11322dec
• https://git.kernel.org/stable/c/b896e302f79678451a94769ddd9e52e954c64fbb
• https://git.kernel.org/stable/c/0386408036bfc8b50296d9e544ff91c4d52af2db
• https://git.kernel.org/stable/c/6633cdc8b2ebefcddcfcdacfd063105e60f39a49
• https://git.kernel.org/stable/c/abe98a05e7162f64759bf9111108ebcb11322dec
• https://git.kernel.org/stable/c/b896e302f79678451a94769ddd9e52e954c64fbb

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